Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Queue\ShouldQueue' not found in E:\xampp\htdocs\www\order\qr250\vendor\laravel\framework\src\Illuminate\Queue\CallQueuedClosure.php:14 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\order\qr250\vendor\laravel\framework\src\Illuminate\Queue\CallQueuedClosure.php on line 14